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Base-Induced Liquid Crystals of Graphene Oxide for Preparing Elastic Graphene Foams with Long-Range Ordered Microstructures

14-01-2016
Base-induced graphene oxide (GO) liquid crystals form a highly ordered texture. This microstructure can be             inherited to the graphene foams prepared by hydrothermal reduction, showing long-range ordered microstructure of graphene sheets in 3D. This provides an insightful understanding into the supramolecular chemistry of GO sheets.The research was conducted at the BL16B1 beamline of the SSRF.

(a) POM images of a 3.5 mg mL−1 GO suspension containing 0.132 m KOH near the inner surface of glass tube     (the dashed red arc indicates the isotopic glass wall). (b) Schematic illustration of the arrangement of graphene sheets in OGF (top view). (c–f) Scanning electron microscopy images of OGF with different magnifications. The images in panels (c) and (d) correspond to the area 1 and area 2 in scheme (b).

 

Links: DOI: 10.1002/adma.201504594